1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
// Minimal usage example: prints a hash. Tested on x86, ppc, arm.
#include "highwayhash/highwayhash.h"
#include <algorithm>
#include <iostream>
using namespace highwayhash;
int main(int argc, char* argv[]) {
// We read from the args on purpose, to ensure a compile time constant will
// not be used, for verifying assembly on the supported platforms.
if (argc != 2) {
std::cout << "Please provide 1 argument with a text to hash" << std::endl;
return 1;
}
// Please use a different key to ensure your hashes aren't identical.
const HHKey key HH_ALIGNAS(32) = {1, 2, 3, 4};
// Aligning inputs to 32 bytes may help but is not required.
const char* in = argv[1];
const size_t size = strlen(in);
// Type determines the hash size; can also be HHResult128 or HHResult256.
HHResult64 result;
// HH_TARGET_PREFERRED expands to the best specialization available for the
// CPU detected via compiler flags (e.g. AVX2 #ifdef __AVX2__).
HHStateT<HH_TARGET_PREFERRED> state(key);
HighwayHashT(&state, in, size, &result);
std::cout << "Hash : " << result << std::endl;
HighwayHashCatT<HH_TARGET_PREFERRED> cat(key);
cat.Append(in, size);
cat.Finalize(&result);
std::cout << "HashCat: " << result << std::endl;
return 0;
}
|
